EP0753472B1 - Procédé et dispositif pour surveiller une bande transporteuse - Google Patents

Procédé et dispositif pour surveiller une bande transporteuse Download PDF

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Publication number
EP0753472B1
EP0753472B1 EP96111185A EP96111185A EP0753472B1 EP 0753472 B1 EP0753472 B1 EP 0753472B1 EP 96111185 A EP96111185 A EP 96111185A EP 96111185 A EP96111185 A EP 96111185A EP 0753472 B1 EP0753472 B1 EP 0753472B1
Authority
EP
European Patent Office
Prior art keywords
conveyor belt
transponders
data carrier
belt
coil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP96111185A
Other languages
German (de)
English (en)
Other versions
EP0753472A1 (fr
Inventor
Rainer Dr. Alles
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ContiTech Transportbandsysteme GmbH
Original Assignee
ContiTech Transportbandsysteme GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ContiTech Transportbandsysteme GmbH filed Critical ContiTech Transportbandsysteme GmbH
Publication of EP0753472A1 publication Critical patent/EP0753472A1/fr
Application granted granted Critical
Publication of EP0753472B1 publication Critical patent/EP0753472B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/04—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
    • B65G43/02—Control devices, e.g. for safety, warning or fault-correcting detecting dangerous physical condition of load carriers, e.g. for interrupting the drive in the event of overheating
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
    • G01B7/10—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance
    • G01B7/107—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance for measuring objects while moving
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
    • B65G2203/04—Detection means
    • B65G2203/042—Sensors
    • B65G2203/044—Optical

Definitions

  • the invention relates to a method for inductive Monitoring a conveyor belt at intervals inserted electrical transmitters from integrated Circuit transponders, and with at least one outside the belt, the transmitter and receiver are arranged in a fixed position, whereby the transmitters are powered by inductive coupling to an excited primary coil Winding of the fixed outside of the belt Receive and receive device, each one Data carrier coil as secondary coil of the voltage or Power supply of the respective transmitter acts and from that during the power supply with a continuous signal individual identifier in the opposite direction to the Winding of the fixed transmitting and receiving devices is transmitted by an electronic evaluation unit is processed.
  • Previous monitoring procedures are concerned mainly with the warning of longitudinal cracks. So e.g. the monitoring procedures from DE 12 33 324, DE 17 81 133, DE 12 74 499 and DE 12 76 546.
  • DE 40 21 064 with a conveyor belt an incorporated layer of colored material.
  • a conveyor belt usually consists of a core Steel ropes or textile reinforcement fabric, the so-called carcass, the one or both sides with a Outer layer is coated from an elastomeric material.
  • the carcass the one or both sides with a Outer layer is coated from an elastomeric material.
  • DE 40 21 064 is now between the carcass and the Outer layer provided a thin intermediate layer, the Color of the color of the material used to impregnate the Carcass and deviates from the color of the coating layer. You can see visually if the outer layer worn and the carcass is reached.
  • the Layer of colored material an optical wear indicator for the tape.
  • transponders use in conveyor belts and to use the Identify the condition of the conveyor belt cover layers or to monitor.
  • Transponders are battery-free transmitters that can be used with a Receiving part and a transmitting part equipped interrogators Messages can be transmitted.
  • the Transponders are the messages through fixed programming saved.
  • a query command generated in the query device is given in response to the RF interrogation pulse Carrier frequency and predetermined carrier duration of the Transponder send back its individual identifier as a response, whereby it also generates the interrogation pulse Utilizes supply voltage.
  • the Integrated transponders on the circuit accordingly are programmable.
  • transponders were used in the above proposal together with conventional conductor loops known per se Combined slot monitoring. Will the conductor loops destroyed by wear or a belt slot the transponder has a signal deviation or a signal failure Show.
  • the invention has for its object a Conveyor belt equipped in such a way to design that wear of conveyor belt cover layers directly via a transponder arrangement can be detected.
  • the object is achieved in that the Transponder with its data carrier coil in the wear-dependent Cover layer and / or carcass arranged in this way be that when a certain one occurs Amount of wear are destroyed or fall out, and that in the event of wear of the conveyor belt cover plate destruction of the carcass Signal failure from the evaluation unit occurring transponders registered and evaluated for control purposes becomes.
  • the cover plate or between its cover plate and its carcass or in the carcass at a certain depth or in different Depths at least one transponder of small thickness is used. With an advanced state of wear, the Transponder off and so is a corresponding signal no longer receivable.
  • the evaluation unit can use this Conclusion on the wear condition of the conveyor belt pull.
  • An advantageous embodiment of the method is in Claim 2 characterized in that in the event of destruction or the loss of at least one transponder Alarm signal is generated and / or a shutdown of the Conveyor belt is carried out and / or a graphic representation the position of the failed transmitter or the failed Transmitter is made.
  • the operator of the conveyor belt system is easy without leaving his Control position the wear condition of the conveyor belt is recognizable made, the possible shutdown of the Conveyor belt an automation option for the conveyor belt system represents.
  • the invention also relates to a monitoring and Warning arrangement of a conveyor belt for carrying out the Method according to the preceding claim 1 with in the conveyor belt at intervals embedded electrical Transmitters and with at least one outside the belt fixedly arranged transmitting and receiving device, wherein for the voltage supply of the transmitter one as primary Induction coil acting excited winding outside the Belt-mounted transmitter and receiver is provided, the transmitter each to one Data carrier coil are connected and a transponder form, the data carrier coil as the secondary coil of serves fixed establishment and of which during the Power supply continuous signals with their respective individual identifiers in the opposite direction via the respective data carrier coil inductively to the winding of a the fixed transmitting and receiving devices are transferable are.
  • Such a monitoring and warning arrangement is thereby characterized in that the transponder with data carrier and Data carrier spool are arranged in the conveyor belt in such a way that when a certain amount of wear occurs are destructible or fall out, and that the transponder in case of wear of the conveyor belt cover plate or carcass destruction no longer ready to broadcast are.
  • transponders in one certain depth or at different depths in the Cover plate or between cover plate and carcass and / or in the carcass inserted.
  • Another more advantageous Embodiment of the invention according to claim 5 are the Transmitters in units grouped next to or in a row arranged.
  • the monitoring method according to the invention is such designed that the transponder in the case of the matched to it Wear is no longer ready to send. Means the invention is also the degree of wear based on the transmission failure at the point in question by failure to do so individual codes of the destroyed or dropped out Detectable transponders.
  • the identifiers of the individual transponders are through a learning cycle of the Conveyor belt through the monitoring device or through other methods once in a monitoring unit or Evaluation unit registered. This can make a permanent Comparison with that in the evaluation unit electronically stored samples of the transponder identifiers and the actual situation respectively.
  • transponder chips together with data carrier coils from one temperature-resistant structure can be selected, they can already during the manufacturing process of the conveyor belts in these are vulcanized. Finished conveyor belts can also be used subsequently with the monitoring arrangements according to the invention be equipped without fear the transponder chips through a subsequent vulcanization process to destroy.
  • the transmitters 10 are transponder chips with integrated miniaturized data code carriers, each one individual identifier is programmed. This identifier will also broadcast during the transmission process. That’s it during normal, i.e. correct operation of the Conveyor belt system possible, based on the respective radiated identifier the presence of each Determine transmitter 10.
  • the data carrier coil 8 and transponder chip 10 existing units are in a temperature-resistant Plastic laminate 12, the size of a coin or one Check card may have been sealed.
  • the transponders 10 are each with an individual ID programmed. This identifier is used during manufacture the transponder 10 firmly "burned in”.
  • the conveyor belt 2 When operating the conveyor belt 2 sends at least one stationary transmitting and receiving device 20 (FIG. 4) permanently emits a signal in the radio frequency range.
  • the Transponder 10 and data carrier coils 8 traverse the Transmission range of this fixed device 20. Act the data carrier coils 8 with respect to the winding 22 of the stationary device 20 as secondary coils by the Fixed facility 20 absorb energy and thus the Broadcast radio frequency transponder 10 feed.
  • the number of Windings of the data carrier coil 8 and the winding 22 of the Transmitting and receiving device 20 are selected and related to each other that an optimal Adaptation to the input impedance of the transmitter 10 is guaranteed.
  • the range of the fixed transmitter and receiver 20 is again chosen so that an inductive Power supply for those moving in the conveyor belt 2 Transmitter 10 only takes place when the data carrier coil 8 in the immediate vicinity above or below the broadcast and Receiving device 20 is located.
  • the transponder 10 If the transponder 10 is supplied with energy, it gives in turn a signal with its own, previously individually programmed identifier in the opposite direction via the data carrier coil 8 to the fixed transmission and Receiver 20 from.
  • the data signal is the Modulated energy flow. As frequency has 130 KHZ as proven advantageous. But other frequencies are too conceivable. From the fixed transmitting and receiving device 20 becomes one corresponding to the data signal Signal supplied to an electronic evaluation unit 26, which this signal with a stored, stored Signal scheme compares.
  • FIG. 2b shows a group of transponders 10 on one Line shown transversely to the longitudinal direction of the conveyor belt. This causes the respective wear zone in the transverse direction of the conveyor belt detectable.
  • Arrangements of the transponders 10 can be in the transponders different heights in the top layer 4 and / or Carcass 6 of the conveyor belt 2 can be arranged (Fig. 1).
  • Arrangements of the transponders 10 can be in the transponders different heights in the top layer 4 and / or Carcass 6 of the conveyor belt 2 can be arranged (Fig. 1).
  • three transponders 10 (FIG. 2a) in Belt length direction at different heights (Fig. 1) to be ordered. This is the increasing wear of the Conveyor belt 2 detectable.
  • the transponders in units grouped next to or in a row in the Wear zone 24 of the conveyor belt 2 distributed. Are there the individual transmitters 10 of these groups in different Depths a1, a2, a3 below the surface 28 of the support side Vulcanized cover layer 4.
  • the transmitters 10 to monitor the belt 2 at approximately equal intervals distributed over the entire length of the conveyor belt 2.
  • the stationary transmitting and receiving device 20 is located under the retracting lower run.
  • the signal output the transmitting and receiving device 20 is with a Signal input of an electronic evaluation unit 26 connected.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Conveyors (AREA)
  • Structure Of Belt Conveyors (AREA)

Claims (5)

  1. Procédé pour la surveillance inductive d'une bande transporteuse (2) comportant des émetteurs électriques (10), qui sont insérés à distance les uns des autres dans la couche de revêtement et/ou dans la carcasse et sont constitués par des transpondeurs à circuits intégrés, et comportant au moins un dispositif d'émission et de réception (20), qui est monté fixe à l'extérieur de la bande, les émetteurs recevant leur tension d'alimentation au moyen d'un couplage inductif à un enroulement excité (22), agissant en tant que bobine primaire, du ou des dispositifs d'émission et de réception (20) montés fixes à l'extérieur de la bande (2), et une bobine (8) de support de données et agissant respectivement en tant que bobine secondaire de l'alimentation en tension ou en courant de l'émetteur respectif (10), à partir duquel, pendant l'alimentation en tension, un signal permanent ayant une caractéristique individuelle est transmis en sens inverse à l'enroulement (22) des dispositifs d'émission et de réception fixe (20), signal qui est traité par une unité d'exploitation électronique,
    caractérisé en ce que les transpondeurs (10) équipés de la bobine du support de données sont disposés dans la bande transporteuse de telle sorte qu'ils sont détruits ou sont défaillants lors de l'apparition d'une certaine valeur d'usure, et que la défaillance du signal, qui apparaít, dans le cas de la destruction ou de l'élimination de la bande, sous l'effet d'une usure de la plaque de revêtement (4) de la bande transporteuse ou de la carcasse (6), est enregistrée par l'unité d'exploitation et est exploitée pour la commande de l'installation de transport.
  2. Procédé selon la revendication 1, caractérisé en ce que dans le cas de la destruction ou de la perte d'au moins un transpondeur (10), un signal d'alarme est produit et/ou un débranchement de la bande transporteuse (2) est exécuté et/ou une représentation graphique de la position de l'émetteur ou des émetteurs défaillants (10) est réalisée.
  3. Dispositif de surveillance et d'avertissement pour une bande transporteuse pour la mise en oeuvre du procédé selon la revendication 1, comportant des émetteurs électriques insérés à certaines distances dans la bande transporteuse et comportant au moins un dispositif d'émission et de réception monté fixe à l'extérieur de la bande, et dans lequel pour l'alimentation en tension des émetteurs il est prévu un enroulement excité, qui agit en tant que bobine d'induction primaire, du dispositif d'émission et de réception monté fixe à l'extérieur de la bande, et dans lequel les émetteurs sont raccordés respectivement à une bobine de support de données et forment un transpondeur, et la bobine (8) de support de données est utilisée en tant que bobine secondaire du dispositif fixe (20) et, pendant l'alimentation en tension, des signaux permanents ainsi que leurs indicatifs individuels respectifs peuvent être transmis inductivement par les émetteurs dans la direction inverse, par l'intermédiaire de la bobine respective (8) de support de données, à l'enroulement de l'un des dispositifs d'émission et de réception fixes (20),
    caractérisé en ce que les transpondeurs (10) équipés du support de données (10) et de la bobine (8) de support de données sont disposés dans la bande transporteuse (2) de telle sorte que lors de l'apparition d'une certaine valeur d'usure, ils sont détruits ou sont défaillants, et
    que dans le cas de la destruction des transpondeurs (10), qui apparaít sous l'effet d'une usure de la plaque de revêtement (4) de la bande transporteuse ou de la carcasse (6), les transpondeurs ne sont plus à même d'émettre.
  4. Dispositif de surveillance et d'avertissement selon la revendication 3, caractérisé en ce que plusieurs transpondeurs (10) sont insérés à une profondeur déterminée ou à des profondeurs différentes dans la plaque de revêtement (4) ou entre la plaque de revêtement (4) et la carcasse (6) et/ou dans la carcasse (6).
  5. Dispositif de surveillance et d'avertissement selon la revendication 3, caractérisé en ce que les transpondeurs (10) sont disposés dans des unités regroupées les unes à côté des autres ou les unes derrière les autres.
EP96111185A 1995-07-12 1996-07-11 Procédé et dispositif pour surveiller une bande transporteuse Expired - Lifetime EP0753472B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19525326A DE19525326C1 (de) 1995-07-12 1995-07-12 Verfahren und Anordnung zur Überwachung eines Fördergurtes
DE19525326 1995-07-12

Publications (2)

Publication Number Publication Date
EP0753472A1 EP0753472A1 (fr) 1997-01-15
EP0753472B1 true EP0753472B1 (fr) 2001-11-07

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Family Applications (1)

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EP96111185A Expired - Lifetime EP0753472B1 (fr) 1995-07-12 1996-07-11 Procédé et dispositif pour surveiller une bande transporteuse

Country Status (3)

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EP (1) EP0753472B1 (fr)
AT (1) ATE208341T1 (fr)
DE (2) DE19525326C1 (fr)

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DE19612521C1 (de) * 1996-03-29 1997-06-19 Contitech Transportbandsysteme Fördergurt mit eingebetteten Transpondern
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CA2428392A1 (fr) * 2000-11-16 2002-05-23 Canada Conveyor Belt Co., Ltd. Dispositif et procede de detection de defauts de bande transporteuse
WO2002072452A2 (fr) * 2001-03-14 2002-09-19 Ip And Innovation Company Holdings (Proprietary) Limited Courroie de bande transporteuse
US6715602B1 (en) * 2002-11-15 2004-04-06 The Goodyear Tire & Rubber Company Sensor system for conveyor belt
PL1570948T3 (pl) * 2004-03-03 2006-10-31 Meri Entsorgungstechnik Fuer Die Papierindustrie Gmbh Nadzorowanie zużycia poprzez zniszczenie zespołu nadajnik-odbiornik
DE202004013306U1 (de) * 2004-08-04 2005-12-15 Liebherr-Werk Ehingen Gmbh Vorrichtung zur Erkennung von Positionen eines beweglich geführten Teils
US7248154B2 (en) 2005-04-08 2007-07-24 Meri Entsorgungstechnik Fur Die Papierindustrie Gmbh Wear detection by transponder destruction
JP4932222B2 (ja) * 2005-04-13 2012-05-16 株式会社ブリヂストン コンベヤベルトの摩耗検出装置
WO2007029698A1 (fr) * 2005-09-07 2007-03-15 Bridgestone Corporation Dispositif de détection d’usure destinée à une bande transporteuse
US8502684B2 (en) 2006-12-22 2013-08-06 Geoffrey J. Bunza Sensors and systems for detecting environmental conditions or changes
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JP5727145B2 (ja) * 2010-02-04 2015-06-03 株式会社ブリヂストン コンベヤベルト及びコンベヤベルト磨耗検知システム
DE102010036331A1 (de) 2010-07-12 2012-01-12 Phoenix Conveyor Belt Systems Gmbh Einrichtung zur Überwachung der Verbindung eines Fördergurtes mittels energiereicher Strahlen, insbesondere Röntgenstrahlen
FI20115200A (fi) * 2011-02-28 2012-08-29 Metso Fabrics Oy Menetelmä prosessielementin kunnonvalvontaan, valvontajärjestelmä sekä prosessielementti
DE202013100588U1 (de) 2013-02-08 2013-03-04 Rolf Gnauert Vorrichtung zur Feststellung eines betriebsgefährdenden Zustandes eines bandförmigen Lastträgers
CN103896035A (zh) * 2014-03-20 2014-07-02 济钢集团有限公司 一种用于皮带传输系统的包胶滚筒磨损预警装置
DE102017205961A1 (de) 2017-04-07 2018-10-11 Contitech Transportbandsysteme Gmbh Taschenfördergurt
DE102018110167A1 (de) 2018-04-27 2019-10-31 Voith Patent Gmbh Fördergurt mit Sensoren und/oder Transpondern und Verfahren zur Montage von Sensoren und/oder Transpondern im Fördergurt
DE102018110170A1 (de) * 2018-04-27 2019-10-31 Voith Patent Gmbh Transponder für einen Fördergurt eines Gurtförderers
CN110867404A (zh) * 2019-09-30 2020-03-06 正信光电科技股份有限公司 光伏组件生产用零部件输送带
CN112124899B (zh) * 2020-08-19 2022-07-05 河钢股份有限公司承德分公司 一种快速判断皮带机停机故障与处理的方法和系统
DE102020216501A1 (de) 2020-12-22 2022-06-23 Contitech Transportbandsysteme Gmbh Verfahren zum Betrieb einer Förderbandanlage
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Also Published As

Publication number Publication date
DE59608108D1 (de) 2001-12-13
EP0753472A1 (fr) 1997-01-15
ATE208341T1 (de) 2001-11-15
DE19525326C1 (de) 1996-10-17

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